diff --git a/newlib/libm/common/sf_pow.c b/newlib/libm/common/sf_pow.c
index f7b22b612..2946c611b 100644
--- a/newlib/libm/common/sf_pow.c
+++ b/newlib/libm/common/sf_pow.c
@@ -220,7 +220,17 @@ powf (float x, float y)
     {
       /* |y*log(x)| >= 126.  */
       if (ylogx > 0x1.fffffffd1d571p+6 * POWF_SCALE)
+	/* |x^y| > 0x1.ffffffp127.  */
 	return __math_oflowf (sign_bias);
+      if (WANT_ROUNDING && WANT_ERRNO
+	  && ylogx > 0x1.fffffffa3aae2p+6 * POWF_SCALE)
+	/* |x^y| > 0x1.fffffep127, check if we round away from 0.  */
+	if ((!sign_bias
+	     && eval_as_float (1.0f + opt_barrier_float (0x1p-25f)) != 1.0f)
+	    || (sign_bias
+		&& eval_as_float (-1.0f - opt_barrier_float (0x1p-25f))
+		     != -1.0f))
+	  return __math_oflowf (sign_bias);
       if (ylogx <= -150.0 * POWF_SCALE)
 	return __math_uflowf (sign_bias);
 #if WANT_ERRNO_UFLOW